Abstract
The society has been playing more and more significant role in EU's and Hungary's environmental policy considering that environmental consciousness of the people raised increasing demand on environmental information. The bottleneck of this process is the lack of public information on environmental data. Therefore it is essential that the residents of small regions may easily access information on the state of their narrower environment and have the possibility to take part in the decision process. The Institute of Environmental Engineering, University of Pannonia has undertaken this challenge and developed an online environmental information system. This system is able to receive and process the collected environmental data via Internet. These data on the environmental elements (air, surface water, noise) are then available to the public as a web service displayed by GIS and graphical tools. The system had to meet simplicity and comprehensibility. The database can be efficiently used in areas where displaying spatial information on maps is important. Aim of the project to define physical and chemical parameters of surface waters and apply Water Framework Directive (WFD) for examined water bodies further goal is to display results via internet in Environmental Information System developed by its authors. As the load to our surface water became greater, it created increasing demand for adequate quality and quantity waters. A good condition is available with prevention of the quality ruin and provides sustainable water manage ment. The Water Framework Directive (WFD) was created as the long-term water policy of the European Union. Member States have required achieve good ecological and chemical status in all bodies of surface water by 2015. Measurements and water sampling were taken at the examined streams. Streams were categorized according to typology. The field measurement (temperature, pH, conductivity, chlorophyll-a, PAH) and laboratory texts (COD t , \(PO_4^{3 - } \), \(NH_4^ + \), \(NO_3^ - \), \(NO_2^ - \), \(SO_4^{3 - } \), Na +, Ca 2+, Mg 2+, K +, Si 4+ Cd 2+, Co 2+, Cr 3+, Ni 2+, Zn 2+) has been taken. Measured results have been compared with MSZ 12749 standards and accordingly streams were classified. Bedrock has taken effect via main ions of the water so this element of the typology has been proved by main ions. According to results of the examined water the followings were determined: nitrate, nitrite and phosphate-ion from the gardens, agriculture areas and sewage significantly pollute the surface water. Traffic means further pollution, in this case organic compounds or heavy metals can solve out to the water. On the homepage bar charts show measured values at different sampling sites of the streams. On the Google Map distances between two sampling sites were coloured according to water quality colour scale. These provide generic information about condition of watercourse comprehensible for everyone.
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Kovács, Z., Magyar, I., Kohlrusz, G., Kovács, J., Rédey, Á. (2009). Examination of Condition of Small Streams and Results Displaying in Environmental Information System. In: Simeonov, L.I., Hassanien, M.A. (eds) Exposure and Risk Assessment of Chemical Pollution — Contemporary Methodology. NATO Science for Peace and Security Series C: Environmental Security. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2335-3_39
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DOI: https://doi.org/10.1007/978-90-481-2335-3_39
Publisher Name: Springer, Dordrecht
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